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2014-03-04 04:26:18 -0500 asked a question how to redraw a 3d map offline according to the collected data

I have used kinect-3d-slam of MRPT to collect a file of data.

It is printed in real time a 3d map of a small room. Now I have stored the data like:

2.153973 1.229960 0.884632

2.180799 1.234268 0.895650

2.194463 1.219843 0.901262

2.236500 1.228155 0.918526

2.222315 1.209146 0.912700

2.236500 1.194281 0.918526

2.222315 1.175487 0.912700

2.250876 1.186806 0.924430

2.265433 1.171606 0.930409

2.265433 1.148731 0.930409

2.250876 1.126198 0.924430

2.250876 1.099682 0.924430

2.265433 1.083919 0.930409

2.280179 1.071788 0.936464

2.280179 1.048764 0.936464

2.280179 1.025740 0.936464

2.265433 0.996232 0.930409

2.295117 0.993836 0.942600

2.280179 0.979693 0.936464

2.265433 0.950482 0.930409

2.265433 0.927607 0.930409

2.280179 0.914458 0.936464

2.265433 0.889482 0.930409

2.280179 0.876085 0.936464

2.265433 0.862795 0.930409

2.265433 0.839920 0.930409

2.265433 0.817045 0.930409

2.280179 0.803177 0.936464

2.265433 0.782733 0.930409

and want to redraw it in other time. Is there any methods to do that? I am using ubuntu 12.04. The data is in .txt file.

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2014-01-28 17:32:05 -0500 marked best answer kinect green light keeps freshing. Seems no driver

I have installed freenect from

                sudo apt-get install ros-hydro-freenect-stack

and also blacklist gspca_kinect(I am using Ubuntu 12.04 LTS)

But when I try the command

                roslaunch freenect_launch freenect.launch

It says that

                [ INFO] [1380174487.842752473]: No devices connected.... waiting for devices to be connected

and then I try lsusb

it shows me like

               Bus 002 Device 015: ID 045e:02c2 Microsoft Corp. 
               Bus 002 Device 016: ID 045e:02be Microsoft Corp. 
               Bus 002 Device 017: ID 045e:02bf Microsoft Corp.

These are kinect's and I could not find something like camera or others.

Could you please help me? Since for this Sept I could not even run kinect on Ubuntu and I feel confused.

Thank you so much and I will wait for the reply.

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2014-01-14 18:51:26 -0500 asked a question kinect 3D map, need more detail on the result

Hi,

I have tried ROS RGBDSLAM but failed for the installation since the command no longer exists --rosdep-install

I tried the Kinect-3D-slam in MRPT http://www.mrpt.org/list-of-mrpt-apps/application-kinect-3d-slam/ The result of a small room is good actually. But I would like to add more color details on to the model sice the result looks only points. This method seems only projects the depth information which is extracted! I would like to upload the image result but I do not have enough karma.

Is there any library or package for helping print whole RGB information on to the depth data to make the result more visible? I know that post a MRPT application question here on ROS is not appropriate, but I need your help.

Thanks a lot.

2014-01-14 18:37:42 -0500 commented answer 3D slam problems

I installed also fuerte but it still could not use the command --rosdep-install. It seems that ROS has removed that command.

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2013-11-19 16:55:59 -0500 asked a question 3D slam problems

Hi, I am using Ubuntu 12.04 and Ros Hydro, also installed Ros fuerte. now trying Slam:

          <a href="http://wiki.ros.org/openni/Contests/ROS%203D/RGBD-6D-SLAM">http://wiki.ros.org/openni/Contests/ROS%203D/RGBD-6D-SLAM</a>

It seems that it needs the earlier ROS version to get rgbdslam installed. Since there is command problem starting from

      rosmake --rosdep-install rgbdslam

Or is there any new package application performing the same as the video in the website? I would like to sketch the 3D map of a big room like the function showed in the website.

Thank you.

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2013-11-15 19:09:25 -0500 asked a question rosmake error

Hello, I am recently learning

          <a href="http://wiki.ros.org/openni/Contests/ROS%203D/RGBD-6D-SLAM">http://wiki.ros.org/openni/Contests/ROS%203D/RGBD-6D-SLAM</a>

My system is Ubuntu 12.04 and ros-libfreenect.

This is some error I don't know how to fix it:

           root@ubuntu:~# rosmake --rosdep-install rgbdslam
           Usage: rosmake [options] [PACKAGE]...

           rosmake: error: no such option: --rosdep-install

Could you help me to try it out? Thank you.

2013-11-15 19:07:45 -0500 asked a question rosmake: error: no such option

Hello, I am recently learning

          <a href="http://wiki.ros.org/openni/Contests/ROS%203D/RGBD-6D-SLAM">http://wiki.ros.org/openni/Contests/ROS%203D/RGBD-6D-SLAM</a>

My system is Ubuntu 12.04 and ros-libfreenect.

This is some error I don't know how to fix it:

           root@ubuntu:~# rosmake --rosdep-install rgbdslam
           Usage: rosmake [options] [PACKAGE]...

           rosmake: error: no such option: --rosdep-install

Could you help me to try it out? Thank you.

2013-11-15 19:05:58 -0500 asked a question rosmake error:no such option

Hello, I am recently learning

          <a href="http://wiki.ros.org/openni/Contests/ROS%203D/RGBD-6D-SLAM">http://wiki.ros.org/openni/Contests/ROS%203D/RGBD-6D-SLAM</a>

My system is Ubuntu 12.04 and ros-libfreenect.

This is some error I don't know how to fix it:

           root@ubuntu:~# rosmake --rosdep-install rgbdslam
           Usage: rosmake [options] [PACKAGE]...

           rosmake: error: no such option: --rosdep-install

Could you help me to try it out? Thank you.

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2013-11-12 15:49:36 -0500 asked a question Rosbag playback problem with topic status transform alert

I am following the openni_launch/Tutorials/BagRecordingPlayback to record and play back the kinect.bag

I am using Ubuntu 12.04 and ROS Hydro.

And this is my command in procedure:

      roslaunch freenect_launch freenect.launch depth_registration:=true

      rosbag record camera/depth_registered/image_raw camera/depth_registered/camera_info camera/rgb/image_raw camera/rgb/camera_info kinect

Till here, it all works well.

Then I continue to play back. I close (Ctrl-C) the ROS freenect driver

         rosparam set /use_sim_time true

         ERROR: Unable to communicate with master!

I continue.

         roslaunch freenect_launch freenect.launch load_driver:=false

         rosrun rviz rviz

Up to here, I see in rviz Time, ROS Time is running the same as Wall Time. So I change the command procedure:

         roslaunch freenect_launch freenect.launch load_driver:=false

         rosparam set /use_sim_time true

         rosrun rviz rviz

And I see that the ROS Time stops at 00.0 with Wall Time keeps running. Then I try

         rosbag play --clock --pause [my kinect profile]

There is something wrong in Rviz PointCloud2

Status: Error Points (good)

Transform [sender=/camera/camera_nodelet_manager] Message removed because it is too old (frame=[/camera_rgb_optical_frame], stamp=[1384312642.156354048])

And also there is nothing played in the Rviz.

What is the problem?

You could also see my previous question to have more information if you like. http://answers.ros.org/question/98611/rosbag-record-with-kinect-facing-a-disk-memory-space-problem/

Thanks a lot.

2013-11-08 03:53:52 -0500 commented answer 'Rosbag record' with Kinect, facing a disk memory space problem

Plz see [edit 3]. And I should try to get familiar with the concept of the topic of camera and rviz. I will try to show the image. It is so nice to meet you here. Thanks a lot for your great helping.

2013-11-08 03:08:53 -0500 commented answer 'Rosbag record' with Kinect, facing a disk memory space problem

I remove -O directly and it works. I am sorry that I am a fresh man in the ROS world. I need time to learn your command. Another thing is that I just want to know how to play back the data in a visualization window or something. It just play back in the terminal, I cant see anything. Thanks

2013-11-08 02:45:42 -0500 commented answer 'Rosbag record' with Kinect, facing a disk memory space problem

Plz see [edit 2] in the question. thanks

2013-11-08 02:45:01 -0500 edited question 'Rosbag record' with Kinect, facing a disk memory space problem

while I want to record kinect data, using

 rosbag record camera/depth_registered/image_raw camera/depth_registered/camera_info camera/rgb/image_raw camera/rgb/camera_info --limit=60 -O kinect

The terminal shows that

[ERROR] [1383809202.109712616]: Less than 1GB of space free on disk with kinect.bag.active.  Disabling recording.

[ WARN] [1383809202.622705490]: Not logging message because logging disabled.  Most likely cause is a full disk.

Why is it? I check my File Systems under System monitor

 Device       Directory     type         Total       Free             Available     Used

/dev/sda7     /host        fuseblk     97.4GiB       57.6Gib        57.6GiB       39.8GiB        40%

 /dev/loop0   /               ext3      5.4GiB       482.0MiB       482.0MiB     5.0GiB          92%

How could I fix it?

Thanks!

edited:

'rosbag record' directly creats the kinect.bag under 'Home' of Ubuntu, I don't know how to change the location. The location is also shown in the 'kinect.bag properties' window with 'Location: /root'. And when I try

           rosbag info kinect.bag

It shows that

             path: kinect.bag 
             version: 2.0 
             size: 4.0 KB

Is there any command to change the kinect.bag location?

To be summarized, it implies that the disk space is not enough. how can I change the location of the recorded kinect.bag file into a larger disk location?

[edit]

I try

          rosparam set use_sim_time true

and then run rviz and then

          rosbag play kinect.bag --clock

But cant visualize the data. And what is '--limit=60' means? And now I just only record only 2 seconds, how to make it longer? Thank you!

[edit 2]

I tried

           rosbag record camera/depth_registered/image camera/depth_registered/camera_info camera/rgb/image_color camera/rgb/camera_info -O /media/8676FBBC76FBAB57/ kinect

slightly different from the above one by changing image_raw to image.

And I run rosbag record and it started to record but then gave this

           [ WARN] [1383921498.365058698]: rosbag record buffer exceeded.  Dropping oldest queued message.

Now I cant see new kinect.bag file in the directory. It is the old one. I have set false. Why is it?

[edit 3]

I followed the play back data tutorial http://wiki.ros.org/openni_launch/Tutorials/BagRecordingPlayback

Found that ROS time in rviz is the same as the running play back bag time in the terminal. But there was nothing shown in the rviz. So either I did not record anything or I used a wrong topic. I checked the recorded file, it is 276.5 MB. So I could use a wrong topic to show it?

2013-11-08 02:19:08 -0500 commented answer 'Rosbag record' with Kinect, facing a disk memory space problem

I just cant visualize the data. rviz shows nothing. Is it because I did not successfully record data into kinect.bag? And how to record longer say more than 2 seconds?